19 December 2003 Simulation of a He II Lyman-alpha soft x-ray laser pumped by DESY/XFEL radiation
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Abstract
The high brilliance expected from the X-ray Free-Electron Lasers (XFEL’s) now under construction suggest re-investigating the feasibility of a photopumped soft X-ray laser. We present simulations of a Lyman-α X-ray laser in hydrogenic He (λ = 30.4 nm) pumped by XFEL radiation with parameters of the TESLA Test Facility, phase II, at DESY/Hamburg. The simulations show that high gain can be achieved at a pump intensity of 1015 W/cm2. The realization of such a laser could provide a better understanding of the physics of photopumped lasers and thus help to develop table-top X-ray lasers.
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Ke Lan, Ke Lan, Ernst E. Fill, Ernst E. Fill, Jurgen Meyer-ter-Vehn, Jurgen Meyer-ter-Vehn, "Simulation of a He II Lyman-alpha soft x-ray laser pumped by DESY/XFEL radiation", Proc. SPIE 5197, Soft X-Ray Lasers and Applications V, (19 December 2003); doi: 10.1117/12.503850; https://doi.org/10.1117/12.503850
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